Communicate between programs and procedures

This gives information about how programs and procedures can communicate using data queues and data areas.

• Use data queues
  Data queues are a type of system object that you can create, to which one HLL procedure or program can send data, and from which another HLL procedure or program can receive data.
• Use data areas
  A data area is an object used to hold data for access by any job running on the system.